package Demo2;

public class Test {
    public static void main(String[] args) {
//        Student student = new Student();
//        System.out.println(student.toString());
        //

//        Student student = new Student("lisi");
        Student student =new Student();
        System.out.println(student.toString());
//        System.out.println(student.classRoom);
        System.out.println(Student.classRoom);
    }
}
